Enable /contrib/pg_upgrade, mention little testing.

contrib/pg_upgrade/README

                                  pg_upgrade
 
-This is a version of pg_upgrade which will migrate a 7.1 database to 7.2,
-or allow a 7.2 to 7.2 migration if you need to perform an initdb.
+This is a version of pg_upgrade which will migrate a 7.1 database to
+7.2, or allow a 7.2 to 7.2 migration if you need to perform an initdb. 
+It has been only lightly tested.  Please report any problems to the
+PostgreSQL lists.
 
 Read the manual page for more information.  To view it:
 

contrib/pg_upgrade/pg_upgrade

@@ -3,7 +3,7 @@
 # pg_upgrade: update a database without needing a full dump/reload cycle.
 # CAUTION: Read the manual page before trying to use this!
 
-# $Header: /cvsroot/pgsql/contrib/pg_upgrade/Attic/pg_upgrade,v 1.9 2002/01/15 05:41:55 momjian Exp $
+# $Header: /cvsroot/pgsql/contrib/pg_upgrade/Attic/pg_upgrade,v 1.10 2002/01/18 04:38:46 momjian Exp $
 #
 # To migrate this to newer versions of PostgreSQL:  
 #	1)  Update the version numbers at the top of the file
@@ -13,8 +13,12 @@
 
 #set -x
 
+# UPGRADE_VERSION is the expected old database version
+UPGRADE_VERSION="7.1"
+CUR_VERSION="7.2"
+
 # Set this to "Y" to enable this program
-ENABLE="N"
+ENABLE="Y"
 
 if [ "$ENABLE" != "Y" ]
 then
@@ -25,10 +29,6 @@ then
 fi
 
 
-# UPGRADE_VERSION is the expected old database version
-UPGRADE_VERSION="7.1"
-CUR_VERSION="7.2"
-
 trap "rm -f /tmp/$$.*" 0 1 2 3 15
 
 BASENAME=`basename "$0"`